1 files changed, 45 insertions, 0 deletions
diff --git a/lib/isc/include/isc/error.h b/lib/isc/include/isc/error.h
new file mode 100644
index 0000000..f4f6682
--- /dev/null
+++ b/lib/isc/include/isc/error.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#pragma once
+
+/*! \file isc/error.h */
+
+#include <stdarg.h>
+
+#include <isc/attributes.h>
+#include <isc/formatcheck.h>
+#include <isc/lang.h>
+
+ISC_LANG_BEGINDECLS
+
+typedef void (*isc_errorcallback_t)(const char *, int, const char *,
+				    const char *, va_list);
+
+/*% set unexpected error */
+void isc_error_setunexpected(isc_errorcallback_t);
+
+/*% set fatal error */
+void isc_error_setfatal(isc_errorcallback_t);
+
+/*% unexpected error */
+void
+isc_error_unexpected(const char *, int, const char *, const char *, ...)
+	ISC_FORMAT_PRINTF(4, 5);
+
+/*% fatal error */
+noreturn void
+isc_error_fatal(const char *, int, const char *, const char *, ...)
+	ISC_FORMAT_PRINTF(4, 5);
+
+ISC_LANG_ENDDECLS